// This is a TextMate grammar distributed by `starry-night`.
// This grammar is developed at
// <https://github.com/kongeor/vsc-fennel>
// and licensed `mit`.
// See <https://github.com/wooorm/starry-night> for more info.
/**
 * @import {Grammar} from '@wooorm/starry-night'
 */

/** @type {Grammar} */
const grammar = {
  extensions: ['.fnl'],
  names: ['fennel'],
  patterns: [{include: '#expression'}],
  repository: {
    comment: {
      patterns: [{begin: ';', end: '$', name: 'comment.line.semicolon.fennel'}]
    },
    constants: {
      patterns: [
        {match: 'nil', name: 'constant.language.nil.fennel'},
        {match: 'false|true', name: 'constant.language.boolean.fennel'},
        {
          match: '(-?\\d+\\.\\d+([eE][+-]?\\d+)?)',
          name: 'constant.numeric.double.fennel'
        },
        {match: '(-?\\d+)', name: 'constant.numeric.integer.fennel'}
      ]
    },
    expression: {
      patterns: [
        {include: '#comment'},
        {include: '#constants'},
        {include: '#sexp'},
        {include: '#table'},
        {include: '#vector'},
        {include: '#keywords'},
        {include: '#special'},
        {include: '#lua'},
        {include: '#strings'},
        {include: '#methods'},
        {include: '#symbols'}
      ]
    },
    keywords: {match: ':[^ ]+', name: 'constant.keyword.fennel'},
    lua: {
      patterns: [
        {
          match:
            '\\b(assert|collectgarbage|dofile|error|getmetatable|ipairs|load|loadfile|next|pairs|pcall|print|rawequal|rawget|rawlen|rawset|require|select|setmetatable|tonumber|tostring|type|xpcall)\\b',
          name: 'support.function.fennel'
        },
        {
          match:
            '\\b(coroutine|coroutine.create|coroutine.isyieldable|coroutine.resume|coroutine.running|coroutine.status|coroutine.wrap|coroutine.yield|debug|debug.debug|debug.gethook|debug.getinfo|debug.getlocal|debug.getmetatable|debug.getregistry|debug.getupvalue|debug.getuservalue|debug.sethook|debug.setlocal|debug.setmetatable|debug.setupvalue|debug.setuservalue|debug.traceback|debug.upvalueid|debug.upvaluejoin|io|io.close|io.flush|io.input|io.lines|io.open|io.output|io.popen|io.read|io.stderr|io.stdin|io.stdout|io.tmpfile|io.type|io.write|math|math.abs|math.acos|math.asin|math.atan|math.ceil|math.cos|math.deg|math.exp|math.floor|math.fmod|math.huge|math.log|math.max|math.maxinteger|math.min|math.mininteger|math.modf|math.pi|math.rad|math.random|math.randomseed|math.sin|math.sqrt|math.tan|math.tointeger|math.type|math.ult|os|os.clock|os.date|os.difftime|os.execute|os.exit|os.getenv|os.remove|os.rename|os.setlocale|os.time|os.tmpname|package|package.config|package.cpath|package.loaded|package.loadlib|package.path|package.preload|package.searchers|package.searchpath|string|string.byte|string.char|string.dump|string.find|string.format|string.gmatch|string.gsub|string.len|string.lower|string.match|string.pack|string.packsize|string.rep|string.reverse|string.sub|string.unpack|string.upper|table|table.concat|table.insert|table.move|table.pack|table.remove|table.sort|table.unpack|utf8|utf8.char|utf8.charpattern|utf8.codepoint|utf8.codes|utf8.len|utf8.offset)\\b',
          name: 'support.function.library.fennel'
        },
        {match: '\\b(_G|_VERSION)\\b', name: 'constant.language.fennel'}
      ]
    },
    methods: {
      patterns: [
        {match: '\\w+\\:\\w+', name: 'entity.name.function.method.fennel'}
      ]
    },
    sexp: {
      begin: '\\(',
      beginCaptures: {0: {name: 'punctuation.paren.open.fennel'}},
      end: '\\)',
      endCaptures: {0: {name: 'punctuation.paren.close.fennel'}},
      name: 'sexp.fennel',
      patterns: [{include: '#expression'}]
    },
    special: {
      patterns: [
        {
          match: '\\#|\\%|\\+|\\*|[?][.]|(\\.)?\\.|(\\/)?\\/|:|<=?|=|>=?|\\^',
          name: 'keyword.special.fennel'
        },
        {match: '(\\-\\>(\\>)?)', name: 'keyword.special.fennel'},
        {match: '\\-\\?\\>(\\>)?', name: 'keyword.special.fennel'},
        {match: '-', name: 'keyword.special.fennel'},
        {match: 'not=', name: 'keyword.special.fennel'},
        {match: 'set-forcibly!', name: 'keyword.special.fennel'},
        {
          match:
            '\\b(and|band|bnot|bor|bxor|collect|comment|do|doc|doto|each|eval-compiler|for|global|hashfn|icollect|if|import-macros|include|lambda|length|let|local|lshift|lua|macro|macrodebug|macros|match|not=?|or|partial|pick-args|pick-values|quote|require-macros|rshift|set|tset|values|var|when|while|with-open)\\b',
          name: 'keyword.special.fennel'
        },
        {match: '\\b(fn)\\b', name: 'keyword.control.fennel'},
        {match: '~=', name: 'keyword.special.fennel'},
        {match: 'λ', name: 'keyword.special.fennel'}
      ]
    },
    strings: {
      begin: '"',
      end: '"',
      name: 'string.quoted.double.fennel',
      patterns: [{match: '\\\\.', name: 'constant.character.escape.fennel'}]
    },
    symbols: {
      patterns: [
        {match: '\\w+(?:\\.\\w+)+', name: 'entity.name.function.symbol.fennel'},
        {match: '\\w+', name: 'variable.other.fennel'}
      ]
    },
    table: {
      begin: '\\{',
      beginCaptures: {0: {name: 'punctuation.table.bracket.open.fennel'}},
      end: '\\}',
      endCaptures: {0: {name: 'punctuation.table.bracket.close.fennel'}},
      name: 'table.fennel',
      patterns: [{include: '#expression'}]
    },
    vector: {
      begin: '\\[',
      beginCaptures: {0: {name: 'punctuation.vector.bracket.open.fennel'}},
      end: '\\]',
      endCaptures: {0: {name: 'punctuation.vector.bracket.close.fennel'}},
      name: 'meta.vector.fennel',
      patterns: [{include: '#expression'}]
    }
  },
  scopeName: 'source.fnl'
}

export default grammar
